Home / 15,955.31-23,880.79-11,737.44

Finding the Fourth Proportional to 15,955.31, 23,880.79 and 11,737.44

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Solution

The fourth proportional to 15,955.31, 23,880.79 and 11,737.44 is: 17,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.31 : 23,880.79 = 11,737.44 : x
  2. Step 2: Convert to fraction form
    15,955.31/23,880.79 = 11,737.44/x
  3. Step 3: Cross multiply
    15,955.31x = 23,880.79 × 11,737.44
  4. Step 4: Simplify right side
    15,955.31x = 280,299,339.78
  5. Step 5: Solve for x
    x = 280,299,339.78/15,955.31
  6. Step 6: Final answer
    x = 17,567.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.